Hi Everyone!
Recently I noticed whenever I opened Dolphin my CPU usages gets extremely high to around 40% when just navigating folders. When looked from System Monitor, I noticed in the Dolphin’s Detail Sidebar, a service called “kioworker” takes up around 30% CPU. Around the same time, “Background Services” also starts ramping up the CPU. In the Details tab, the service called “xdg-document-portal” starts taking up 40% CPU usage.
I don’t exactly know what caused this issue but just opening dolphin will significantly lag my laptop and my fans starts to spin very loudly.
Here’s my Specs:
Operating System: Fedora Linux 44
KDE Plasma Version: 6.6.4
KDE Frameworks Version: 6.26.0
Qt Version: 6.10.3
Kernel Version: 7.0.4-200.fc44.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5700U with Radeon Graphics
Memory: 16 GiB of RAM (13.5 GiB usable)
Graphics Processor: AMD Radeon Graphics
Manufacturer: LENOVO
Product Name: 82R4
System Version: IdeaPad 1 15ALC7
Got any network drives, remote drives, smb or nfs mounts, etc in there? Perhaps previews turned on for remote storage documents?
Not seeing anything like your symptoms but I am still running F43.
No, not really. I do not have any of those. The only mounts I have are the 2 disk partitions I have for backups. I also have all the previews turned off. And it still shows significantly high CPU usage.
Weird thing is, I do not know if I did something wrong but this happened suddenly while I still was in F43, So in hopes of maybe solving this, I upgraded but the issue still remained.
install fatrace, run it using sudo and then replicate the issue.
You might want to capture the output so you can see precisely what processes are hitting which files and directories.
This will tell you if it’s actually hammering the drives and locations, or whether it’s a CPU bound issue.
So I ran the command you provided sudo fatrace -s 20 | grep -i dolphin and browsed dolphin and this the result it came:
teddy@fedora:~$ sudo fatrace -s 20 | grep -i dolphin
dbus-broker-lau(10835): RCO /usr/share/dbus-1/services/org.kde.dolphin.FileManager1.service
dolphin(9478): CO /
dolphin(9478): O /home/teddy/Downloads/maybe in another life [pMdNlVBSTZA].opus
dolphin(9478): RC /home/teddy/Downloads/maybe in another life [pMdNlVBSTZA].opus
dolphin(9478): O /home/teddy/Downloads/nuages - closer (slowed down) [ETkLGGxMEgU].opus
dolphin(9478): RC /home/teddy/Downloads/nuages - closer (slowed down) [ETkLGGxMEgU].opus
dolphin(9478): O /home/teddy/Downloads/futureville - backrooms [lgeIDnLg0Ps].opus
dolphin(9478): RC /home/teddy/Downloads/futureville - backrooms [lgeIDnLg0Ps].opus
dolphin(9478): O /home/teddy/Downloads/Dark Ambient Music (No Copyright) [x74grrke9qE].opus
dolphin(9478): RC /home/teddy/Downloads/Dark Ambient Music (No Copyright) [x74grrke9qE].opus
dolphin(9478): O /home/teddy/Downloads/mod profile.cfg
dolphin(9478): R /home/teddy/Downloads/mod profile.cfg
dolphin(9478): C /home/teddy/Downloads/mod profile.cfg
dolphin(9478): O /home/teddy/Downloads/No, I’m not a Human | Night Theme ♪ [4A2oqDvfi9A].opus
dolphin(9478): R /home/teddy/Downloads/No, I’m not a Human | Night Theme ♪ [4A2oqDvfi9A].opus
dolphin(9478): C /home/teddy/Downloads/No, I’m not a Human | Night Theme ♪ [4A2oqDvfi9A].opus
dolphin(9478): O /home/teddy/Downloads/Day - No, I’m Not a Human OST [flGJj6d1Q9M].opus
dolphin(9478): RC /home/teddy/Downloads/Day - No, I’m Not a Human OST [flGJj6d1Q9M].opus
dolphin(9478): RO /home/teddy/Downloads/The Arrival | DARK AMBIENT HORROR SOUNDSCAPE [J07gs_y7gWs].opus
dolphin(9478): C /home/teddy/Downloads/The Arrival | DARK AMBIENT HORROR SOUNDSCAPE [J07gs_y7gWs].opus
dolphin(9478): O /home/teddy/Downloads/Free Horror Ambience (Dark Project) [svAspF0nxC0].opus
dolphin(9478): RC /home/teddy/Downloads/Free Horror Ambience (Dark Project) [svAspF0nxC0].opus
dolphin(9478): O /home/teddy/Downloads/(Free) Horror Ambiance - Ominous Background Music [xAO3x-Uhfoo].opus
dolphin(9478): R /home/teddy/Downloads/(Free) Horror Ambiance - Ominous Background Music [xAO3x-Uhfoo].opus
dolphin(9478): C /home/teddy/Downloads/(Free) Horror Ambiance - Ominous Background Music [xAO3x-Uhfoo].opus
dolphin(9478): O /home/teddy/Downloads/rimworld steam workshop cli mod downlaods
dolphin(9478): R /home/teddy/Downloads/rimworld steam workshop cli mod downlaods
dolphin(9478): C /home/teddy/Downloads/rimworld steam workshop cli mod downlaods
dolphin(9478): O /home/teddy/Downloads/rimworld log
dolphin(9478): RC /home/teddy/Downloads/rimworld log
fatrace: failed to open /proc/10840: No such file or directory
fatrace: failed to open /proc/10841: No such file or directory
fatrace: failed to open /proc/10841: No such file or directory
fatrace: failed to open /proc/10841: No such file or directory
fatrace: failed to open /proc/10841: No such file or directory
fatrace: failed to open /proc/10841: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
fatrace: failed to open /proc/10842: No such file or directory
dolphin(9478): O /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): R /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): C /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): O /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): R /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): C /home/teddy/.local/share/icons/candy-icons/places/16/folder-videos.svg
dolphin(9478): O /home/teddy/Videos
dolphin(9478): R /home/teddy/Videos
dolphin(9478): O /etc/passwd
dolphin(9478): RC /etc/passwd
dolphin(9478): RC /home/teddy/Videos
dolphin(9478): O /usr/share/icons/breeze/mimetypes/64/application-x-kdenlive.svg
dolphin(9478): R /usr/share/icons/breeze/mimetypes/64/application-x-kdenlive.svg
dolphin(9478): C /usr/share/icons/breeze/mimetypes/64/application-x-kdenlive.svg
dolphin(9478): O /home/teddy/.local/share/icons/candy-icons/mimetypes/scalable/text-x-generic.svg
dolphin(9478): R /home/teddy/.local/share/icons/candy-icons/mimetypes/scalable/text-x-generic.svg
dolphin(9478): C /home/teddy/.local/share/icons/candy-icons/mimetypes/scalable/text-x-generic.svg
dolphin(9478): O /usr/share/mime/video/mp4.xml
dolphin(9478): R /usr/share/mime/video/mp4.xml
dolphin(9478): C /usr/share/mime/video/mp4.xml
fatrace: failed to open /proc/10846: No such file or directory
fatrace: failed to open /proc/10846: No such file or directory
fatrace: failed to open /proc/10846: No such file or directory
fatrace: failed to open /proc/10847: No such file or directory
fatrace: failed to open /proc/10847: No such file or directory
fatrace: failed to open /proc/10847: No such file or directory
fatrace: failed to open /proc/10847: No such file or directory
fatrace: failed to open /proc/10847: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10848: No such file or directory
fatrace: failed to open /proc/10851: No such file or directory
fatrace: failed to open /proc/10851: No such file or directory
fatrace: failed to open /proc/10851: No such file or directory
fatrace: failed to open /proc/10852: No such file or directory
fatrace: failed to open /proc/10852: No such file or directory
fatrace: failed to open /proc/10852: No such file or directory
fatrace: failed to open /proc/10852: No such file or directory
fatrace: failed to open /proc/10852: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10853: No such file or directory
fatrace: failed to open /proc/10856: No such file or directory
fatrace: failed to open /proc/10856: No such file or directory
fatrace: failed to open /proc/10856: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10857: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
fatrace: failed to open /proc/10858: No such file or directory
teddy@fedora:~$
Just typing sudo fatrace, everything was too overwhelming.